What it’s like to stand here
LTT 3780 b
weight
1.40 g
sun
31.6× wider
sky
deep orange

Illustration computed from this world’s measured and derived values, not a photograph.

Rocky world

LTT 3780 b

ESI 0.3071.7 lyDiscovered in 2020 by Transiting Exoplanet Survey Satellite (TESS)

Transit: spotted by the tiny, repeating dip in its star’s light each time the planet crosses in front of it.

LTT 3780 →
host star
1.32 R⊕
radius
2.46 M⊕
mass · measured
18.4 hours
orbital period
630°C (1166°F)
avg temp
What it's like to stand here
1.40 g
your weight (measured mass)
18.4 hours
one year, in Earth time
31.6× wider
how big its sun looks vs ours
deep orange
midday sky tint
0.7×
how high you could jump vs Earth
likely
likely tidally locked: probably eternal day on one side, night on the other
How long to get there · 71.7 ly away
Jet airliner
86.0 million years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
111,814 years
dies en route1000-yr cryo: fails
Light speed
72 years
dies en route1000-yr cryo: survives
Warp 10
26 days
arrives thriving
Folding spacetime
instant
arrives thriving
Size vs Earth
EarthLTT 3780 b is 1.3× the width of Earth
Explore from here · roam the neighborhood
LTT 3780 bRocky world
PlanetLTT 3780 cSub-Neptune
PlanetTOI-206 bsimilar world
SystemHIP 5437319 ly
Sky regionHydrathis direction
Host star
Binary system
LTT 3780
M3.5 V · 2 planets
Explore →
Sibling worlds in this system
Nearby star systems
Similar worlds (size · gravity · star)

Zoom out: star → system → (soon) galaxy arm, host black hole, and a real image of the host galaxy.

Can you see it tonight? · observe
MID-SIZE TELESCOPE NEEDED
Host-star brightnessmag 13.1
ConstellationHydra →
To see the host star8-10" (200-250 mm) telescope
Gear bridge

Matched telescope & eyepiece recommendations are coming. Any product links will carry a clear affiliate disclosure.

Illustration generated from LTT 3780 b's confirmed parameters, not a photograph.